import numpy as np

file_path = 'D:/Users/33416/Downloads/SMPL/models/smplx/SMPLX_NEUTRAL.npz'
if file_path.endswith('.npz'):
    npz_file = np.load(file_path)
    for key in npz_file.keys():
        print(f"{key}: {npz_file[key]}")
else:
    print("The specified file is not an .npz file.")
